A woman was killed in Screven County on Monday night by her boyfriend's pit bulldog. Michelle Wilcox, 30, was found dead at a Jenkins Lane residence near Newington, said Screven County Sheriff Mike Kile in a release issued late Tuesday. Around 6 p.m. Monday, Screven County 911 dispatched deputies and EMS to the scene, where they found Wilcox dead due to a "possible" attack by the dog, he said.